DAB SS6 Installationsanweisung Und Wartung Seite 26

4.
The pump runs with a low
capacity or head.
ENGLISH
calibrated.
F. Electropump blocked in a crooked
sinkhole with consequent abnormal
value of the absorbed current.
G. Cut-off conductors in the starter.
H. Grounded, short-circuited or cut-off
cable joint or motor windings.
A. Wrong motor rotation.
B. The delivery pipe leaks; flange or
coupling not well fastened.
C. Voltage lower
absorbed current
normal.
D. Clogged grid.
E. Worm impellers and diffusers.
F. The manometric head has been
wrongly calculated.
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voltage and the starter trips also
after different calibrations, replace
the overload relay.
F. Move the unit so to straighten it and
it again.
G. See point 2.C
H. See point 2.B
A. Lift the pump out of the well and
check the delivery pipe.
B. Move the unit so to straighten it and
start it again.
than normal, C. Lift the pump out of the well and
higher than check the delivery pipe.
D. Clean the pump.
E. Replace worm parts.
F. Calculate again the manometric
head; replace the unit with a more
suited one.